Contributing to the violent and volatile mix on the streets is a thriving drug trade. But some say more aggressive policing is not the way the city should be fighting its drug problem. Sociologist Greg Scott of DePaul University has been bringing us stories from inside the drug economy. From Scott's point of view, many of the most important questions about drug policy relate to public health, not just criminal justice. What do you do with a drug that can save an addict's life, but perhaps make it harder for him or her to kick the habit? Greg Scott has more on the controversy over Narcan.
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